What is big-theta runtime of Merge sort and Quicksort on an almost sorted array? i.e. the...
What is big-theta runtime of Merge sort and Quicksort on an almost sorted array? i.e. the array is sorted except that two elements are swapped. Explain.
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merge sort irrespective of the order of the elements performs the same complexity that is O(N log N) because it divides and conquers without seeing the elements
whereas in quicksort we choose the pivot , in case of almost sorted elements , it follows the following recurrence
T(n)= T(n-1)+ O(n)
if we solve the recurrence we get T(n)=O(n2)
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What is big-theta runtime of Merge sort and Quicksort on an
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